Vapor-generator.



G. M. KRUGER.

VAPOR GENERATOR.

APPLIUATION FILED JULY 14, 1913.

1,093,138., Patented A111114, 1914.

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E; 4 l lZZJ'U A m' f 9 fi: l I 5?- *1 ai #f 1Q-lc 31 .H mw-"W5 u V INVENTOR.

- Ch/114k ATTORNEY.

COLUMBIA PLANoGIzAPH no.. WASHINGTON-D.:-

CHARLES MAX KRUGER, OF HANNIBAL, MISSOURI.

VAPOR- GENERATOR.

Specification of Letters Patent.

Patented api-, ia, isili.

Application filed July 14, 1913. Serial No. 778,930.

useful Improvements in Vapor-Generators, of which the following is a full, clear, and

exact description, reference being had to the accompanying drawings, forming a part hereof.

My invention has relation to improve-l ments in vapor-generators for hydro-carbon burners (or other purposes); and it con-` sists in the novel details of construction more fully set forth in the specification and pointed out in the claims.

In the drawings, Figure 1 is a side elevation of the invent-ion with parts broken away; Fig. 2 is a vertical cross-section on the line 2 2 of Fig. l; Fig. 3 is a lvertical cross-section on the line 3--3 of Fig. 1;` Fig; 4 is a cross-sectional detail on the line 4 4 of Fig. 1; Fig. 5 is a horizontal middle section through'the mixing-chamber member, other parts being omitted; Fig. 6 is an elevation of the burner-tube (broken at the middle); and Fig. 7 is across-section on the line 7-7 of Fig. 6.

The object of my invention is to constructa vapor-generator which will effectively vaporize the hydro-carbon liquid (gasolene or its equivalent) employed as the fuel for lighting or heating purposes; onewhich will eiectively mix the vapor with its proper complement of air so as to insure a mixture burning with a flame of maximum intensity; one Vwhich is simple, cheap, containing a minimum number of parts; one readily manipulated and kept under perfect control; one delivering a uniform product, and one possessing further and other advantages better apparent from a detailed description of the invention, which is as follows Referring to the drawings, 1 represents a copper (or other) tube leading from any suitable source of hydrocarbon supply (not shown) whichconducts the gasolene (or its equivalent) to a valve-controlled casing 2, any conventional form of rotary hand-valve V being employed for regulating the flow through the casing. From the discharge end of the casing 2 leads a tube 3 which conducts the liquid to an L 4 the discharge leg of which is screwed or otherwise coupled to the head a of a tubular leg 5 communicating with the intake end of the central pas-l sage k of the casting, constituting the generator member 6. The member 6 is provided with upper and lower overhanging flanges or wings e, e, on opposite sides thereof, said flanges having their terminals at the transverse walls or lobes m, fm', respectively, the wall m being at one end of the member 6 and the lobes m stopping a short distance from the opposite end. The said generator member 6 is secured through the medium of brackets t, t, to the mixing chamber member 7, the bracket t being screwed directly to said member, whereas the brackets t, are screwed to the peripheral wall of av double-flanged perforated disk 8, the flange on one side being interiorly screwthreaded and screwed over the end of the member 7 the opposite flange being smooth and having a drive-lit with the extensionpiece 7 received thereby, said member 7 forming a chamber or hood for the air preparatory to its influx into the mixing chamber 7 proper, the two sections (7, 7) being separated by the disk 8. To the generator 6, and at the discharge end of the passageway 71, is screwed a T 9 (the intersecting passages whereof are closed by screwplugs fw as well understood in the art) one leg of which enters the hood 7 through a recess or slot r formed in the wall of the chamber, the terminal of said leg being provided with a valve-casing 10 the discharge from which is coincident with the axis of the mixing chamber 7 (and of the hood 7 the discharges being controlled by a conventional needle valve V adapted to be manipulated from a point outside the hood 7, the stem V of the valve extending outwardly a suitable distance for such purpose.

Disposed on each side of the casting 6 and conned between the flanges c, c, and supported by and between the lobes m, m', are burner pipes or tubes 11 having peripheral perforations p directed toward the side walls of themember 6, the pipes being closed at the ends adjacent the 'l' 9, the opposite open ends being screwed into hollow elbows 12 converging toward and tapping the walls of the member' 7, the intake ends of said elbows having secured thereto the short shunts or pipes 13, 13, which virtually form extensions of the legs of the elbows to which the pipes are directly secured. As will be seen from Fig. 1, the elbows 12 are not in transverse alinement, one elbow being slightly in advance of the other, whereby the overlapping shunt-pipes 13 (which point in opposite directions) are prevented fromV fouling one another. rlhe free ends of the shunts 13 are closed; but each is provided with a peripheral opening 0 facing the disk 8, or the intake end of the mixing chamber 7.

rlhe intake to the mixing chamber is in the form of an open-ended axially disposed tube 14 supported centrally in the disk 8, the axis of the said intake tube being thus coincident with the axis of the member 7 and with the point of discharge from the valve casing 10. The outer end of the tube 14 terminates at a point adjacent the discharge from the valve-casing 10, the inner end terminating at a suitable point removed from the openings 0 of the pipe sections 13. To the discharge end of the member 7 is screwed a coupling 15 to which may in turn be secured a union 16 at the end of the gas supply pipe or riser R as well understood in the art.

Embracing the tube 5 is the forked end c, c, of a starting pan P, a screw-bolt 17 connecting the fork members on the outside of the tube, and the pan resting in addition on the shoulder or ledge s formed at the base of the tube 5 with the head a thereof.

C represents in dotted outline a casing or box in which the device may be contained, the only parts which need be exposed being the tube 3 with its valve V, and the valvestem V of the valve V. The hood 7 protects the air within the same against side drafts thus making possible a uniform mixture of air and gas at all times.

The operation of the device may be described as follows :-The gasolene under a proper head flows through the tube 1 past the valve V into the intake tube 3 whence it discharges through the L 4 and leg 5 into the passage-way L of the generator member 6. At the beginning a quantity of alcohol (or equivalent inflammable material) is placed in the pan or basin P and ignited, the flame thereof heating the walls of the member 6 and vaporizing the hydrocarbonA within the passage-way L. The resulting vapor flows into the T 9 and valve-casing 10 and discharges in jet form from said casing into the tube 14, the said jet inducing a flow of a proper complement of air from the hood 7 into said tube 14, whereby the air is mixed with the vapor and the de-k sired mixture is projected into the mixing chamber 7 passing out into and through the riser R. A portion of the mixture is inter-l cepted by the shunts 13, 13, wfhose pe- -ripheral openings 0 face the mixed current, and flows back through the elbows 12, 12, into the burner tubes 11. The full length of the inner peripheral walls of the tubes 11 being provided with perforations p, it follows that the vapors discharging there?" through'will be ignited by the burning alcohol, and thereby produce a series Vof flame jets which will impinge against the sides of the member 6, said jets being protected by` the flanges or wings e, c (which by the way serve as heat radiators when once heated). By the time the alcohol is consumed, the walls of the generator 6 will have been sufficiently heated to dispense with the need of any startingflame, the iiame jets from the perforations p of the burners 11 permanently heating the walls of the generator. The generator being heated its full length 'simultaneously from both sides, itl follows that a maximum temperature will be imparted to the walls thereof and to the walls of the passage-way h therethrough and the gasolene traversingV said passage-way will be fully and effectively vapo-rized, eliminating any possibilities o f subsequentcondensation. Not only will the walls of the generator 6 become highly heated, but the walls of the mixing chamber 7 as well, so that the temperature of the incoming air will be raised as it enters the tube 14, a thorough heating of the mixing-chamber walls being possible since said chamber is close and parallel to, the member 6 and lis more than coextensive therewith in length*V The gas shunted by the pipes 13, 13, is evenly apportioned between the burners 11, 11, the

shunts 13 being disposed symmetrically on opposite sides of the axial center of the current traversing the chamber 7. Y

I do not wish to be'understood as limiting vmyself to the precise details here shown,

any equivalents thereof being contemplated by my invention. Features shown but not alluded to are well known in the art and require no description in the prese-nt connection. y

Having described myV invention, what I claim is 1. A vapor generator comprising agenerator memberprovided ywith a centra-l passage-way for the traverse of the liquid to be vaporized, burner tubes provided with perforations von their inner walls and operatingl to project jets of iiame against thevoppositewalls of said member, a valve-controlled casing at the discharge end of the passageway of said member, a mixing chamber disposed parallel, and close to, the generator member, a perforated disk at the intake end of the mixing chamber, a tube leading from the disk and discharging into the mixing chamber, the latter extending on the opposite side of the disk and open to the atmos- Y phere, the tube aforesaid receiving the discharges from the valve-controlled casing and the proper complement of air mixed therewith, shunts in the mixing Ychamber having intake openings facing the current traversing the mixin'gchamber, Vmeans for connecting the discharge ends of the shunts Vposite Walls of said member,

to the intake ends of the burner tubes, discharge means for the mixing chamber beyond the shunts, and means for conducting the liquid hydrocarbon to the intake end of the passageway of the generator member.

2. A vapor-generator comprising a generator member provided with a central passage-Way for the traverse or" the liquid to be vaporized, burner tubes provided with perforations on their inner Walls and operating to project jets of flame against the opa valve-controlled casing at the discharge end of the passage-Way of said member, a mixing chamber disposed parallel to and close to the generator member, a perforated disk at the intake end ofthe mixing chamber, a tube leading from the disk and discharging into the mixing chamber, the mixing chamber extending on the opposite side of the disk and open to the atmosphere, the tube aforesaid receiving the discharges from the valve-controlled casing and the proper complement of air mixed therewith, overlapping shunts in the mixing chamber spaced apart and provided With peripheral openings facing the current traversing the mixing chamber, means for connecting the shunts to the intake ends of the burner tubes, discharge means for the mixing chamber beyond the shunts, and valve-controlled means for conducting the liquid hydrocarbon to the intake end of the passageway of the generator member.

In testimony whereof I aflix my signature, in presence of tvvo Witnesses.

CHARLES MAX KRUGER. Witnesses J. G. MIELCMAN, S. O. OsTRoHoUT.

Copies of this patent may be obtained for ive cents each, by addressing the Commissioner of Patents,

Washington, D. C. 

